AZ Watershed Program History
Central AZ Highlands - research watersheds and vegetation types
Image Database - type the keyword or phrase for your area of interest
Data Use Policy
Users of these data should understand issues related to sampling error, measurement error, and others. An excellent introduction to some of these issues is available on this site describing forest measurement and modelling error (courtesy of Cris Brack, Department of Forestry, Australian National University).
More information about timber data: (pdf, 76KB)
Developers of this site also request that any publications using data from these watersheds include the following paragraph:
Some data used in this publication were obtained by scientists of the Arizona Watershed Program and were made available through the Managing Arid and Semi-arid Watersheds website (http://1.usa.gov/1djuHdV). This publication has not been reviewed by those scientists. These watersheds are operated and maintained by the Rocky Mountain Research Station, U.S. Department of Agriculture, Fort Collins, Colorado.